<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>CSS盒子模型</title>
<style>
	#box{  width : 200px; height : 100px; 
		background : blue; color : white;
		border : 10px black solid; }
</style>
</head>
<body>
<div id="box">做真实的自己，用良心做教育！</div>
</body>
</html>




